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to all interested parties: with the help and guidance of the forum the NTU map works on zumo340; what had to be done: remove the built-in CE map (gmapprom.img and associated files), load the NTU map (gmapsupp.img) on SD and related files into zumo .sys folder; i even managed (catymag's thread for sound files on POIs) to customize speed cam alarm tones; great ! only one thing does not work - junction views - and i wonder why ?! i copied the JVC file D3048160A.JCV into the JCV sub-folder of the .sys Folder, but the zumo340 will not Show one single junction view; Routing works fine, voice routing instructions work fine, just no junction views ...; any hint on what to do to set this straight ? thxs in advance, matthias

@guyinnrw
Did you remove the OEM regional JCV file supplied with CE map? If not, back it up then delete it and try again.

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at Giomen: i entered a route for 70km which took me about 65 km along Dutch multilane highways; several difficult junctions between highways; in parallel i had my TomTom go live - which showed me all the lane assist full screens while Zumo340 showed only small lane assist hints in the upper left corner; i expected to see the Zumo340 split screen with lane assist picture in one half of the screen; since i have the Zumo only a few days - do i expect too much from the device ? in the brochures it shows split screen lane assist stuff ...

The best way to check JCV is simulate route. When press the top screen tape in center on map page. You can see list of manures on route. Press any of it and then scroll list with arrow. On the center of bottom tape you can see button "Scheme". If it is grey so it is no JCV image on route. If it have white color of text you can press to this button and see JCV. Notice that if you will be passed junction without changing of mainstream lane so there are not JCV for showing even if it is present on map.
Try several complicated routes with this methods and report please. It is five minutes deal. When device ask you for simulation on route after calculation you may to say NO.

Love your wife? Buy yourself a GPS for answering to her favorite question: "Dear, where are you?".

giomen, none of these things appear on my zumo; i can push the top screen tape and i get the list of navigation instructions, but unfortunately none the things you have mentioned, sorry .... "You can see list of manures on route. Press any of it and then scroll list with arrow. On the center of bottom tape you can see button "Scheme". If it is grey so it is no JCV image on route"

'Tis OK, the ol' fella is just getting forgetful. He's harking back to the good ol' days of full screen JCV. The more modern split screens display like this while navigating:

If you scroll thru the route then you get this kind of display, no need to press anything as it will show the JCV automatically when encountered:

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Try putting the D3048160A.JCV on the card in Garmin/JCV folder and/or hard reset the unit [backup favourites before you reset]. If that doesn't work I think you should re-download the file.

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oki, neil - will do - just fyi - i only get the navigation directions displayed in your first pic - upper left corner and left side - i get none of the other stuff, no split screen, no junction view
will go resetting and re-loading now - hehe

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